240Joe, I am serious, but maybe you're imagining something else. I don't spend 2 hours continuously flushing the engine with fresh oil. Most of the time is spent on draining and usually I just run a quart of fresh oil through the crankcase and filter housing before putting the drain plug back on. It really makes a difference in how long the oil stays clean after an oil change.

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2004 VW Jetta TDI (manual)

Past MB's: '96 E300D, '83 240D, '82 300D, '87 300D, '87 420SEL